the investigation now focuses on perta. police say he did have a permit to carry a concealed weapon in virginia. john hopkins officials say their emergency plan worked well and they promised a security review but say searching every visitor that comes into the doctor is ununreasonable. >> it's difficult to secure any enterprise with all of those door ways and that manner. >> reporter: that doctor is in stable condition. he is expected to recover, we are also told that the investigation is going to be ongoing for a little while here. meanwhile things are returning to normal at john hopkins where we are live. derek valcourt. >>> our live continuing coverage continues with kai jackson who has reaction from bistandards. >> reporter: john hopkins is experienced in managing crisis, generally however those problems don't start within the walls of hopkins. chaos and confusion on the sprawling john hopkins campus in east baltimore. a shooting thursday morning at the prestigious medical institution disrupted operations. >> i work at